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Merge pull request #38 from jvogt/master

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Added option to add an InitiatingHost tag to the snapshot based on the hostname of the server running the script
This commit is contained in:
Colin Johnson 2013-10-14 23:17:14 -07:00
commit 78475e475c
2 changed files with 11 additions and 1 deletions
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2
ec2-automate-backup/README.md
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@ -25,6 +25,8 @@ ec2-automate-backup requires one of the following two parameters be provided:
`-n` - tag snapshots "Name" tag as well as description `-n` - tag snapshots "Name" tag as well as description
`-h` - tag snapshots "InitiatingHost" tag to specify which host ran the script
`-k <purge_after_days>` - the period after which a snapshot can be purged. For example, running "ec2-automate-backup.sh -v "vol-6d6a0527 vol-636a0112" -k 31" would allow snapshots to be removed after 31 days. purge_after_days creates two tags for each volume that was backed up - a PurgeAllow tag which is set to PurgeAllow=true and a PurgeAfter tag which is set to the present day (in UTC) + the value provided by -k. `-k <purge_after_days>` - the period after which a snapshot can be purged. For example, running "ec2-automate-backup.sh -v "vol-6d6a0527 vol-636a0112" -k 31" would allow snapshots to be removed after 31 days. purge_after_days creates two tags for each volume that was backed up - a PurgeAllow tag which is set to PurgeAllow=true and a PurgeAfter tag which is set to the present day (in UTC) + the value provided by -k.
`-p` - the -p flag will purge (meaning delete) all snapshots that were created more than "purge after days" ago. ec2-automate-backup looks at two tags to determine which snapshots should be deleted - the PurgeAllow and PurgeAfter tags. The tags must be set as follows: PurgeAllow=true and PurgeAfter=YYYY-MM-DD where YYYY-MM-DD must be before the present date. `-p` - the -p flag will purge (meaning delete) all snapshots that were created more than "purge after days" ago. ec2-automate-backup looks at two tags to determine which snapshots should be deleted - the PurgeAllow and PurgeAfter tags. The tags must be set as follows: PurgeAllow=true and PurgeAfter=YYYY-MM-DD where YYYY-MM-DD must be before the present date.

10
ec2-automate-backup/ec2-automate-backup.sh
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@ -56,6 +56,11 @@ create_EBS_Snapshot_Tags()
ec2_snapshot_resource_id=`echo "$ec2_create_snapshot_result" | cut -f 2` ec2_snapshot_resource_id=`echo "$ec2_create_snapshot_result" | cut -f 2`
snapshot_tags="$snapshot_tags --tag Name=ec2ab_${ebs_selected}_$date_current" snapshot_tags="$snapshot_tags --tag Name=ec2ab_${ebs_selected}_$date_current"
fi fi
#if $hostname_tag_create is true then append --tag InitiatingHost=`hostname -f` to the variable $snapshot_tags
if $hostname_tag_create
then
snapshot_tags="$snapshot_tags --tag InitiatingHost='`hostname -f`'"
fi
#if $purge_after_days is true, then append $purge_after_date to the variable $snapshot_tags #if $purge_after_days is true, then append $purge_after_date to the variable $snapshot_tags
if [[ -n $purge_after_days ]] if [[ -n $purge_after_days ]]
then then
@ -156,12 +161,14 @@ date_binary=""
#sets the "Name" tag set for a snapshot to false - using "Name" requires that ec2-create-tags be called in addition to ec2-create-snapshot #sets the "Name" tag set for a snapshot to false - using "Name" requires that ec2-create-tags be called in addition to ec2-create-snapshot
name_tag_create=false name_tag_create=false
#sets the "InitiatingHost" tag set for a snapshot to false
hostname_tag_create=false
#sets the user_tags feature to false - user_tag creates tags on snapshots - by default each snapshot is tagged with volume_id and current_data timestamp #sets the user_tags feature to false - user_tag creates tags on snapshots - by default each snapshot is tagged with volume_id and current_data timestamp
user_tags=false user_tags=false
#sets the Purge Snapshot feature to false - this feature will eventually allow the removal of snapshots that have a "PurgeAfter" tag that is earlier than current date #sets the Purge Snapshot feature to false - this feature will eventually allow the removal of snapshots that have a "PurgeAfter" tag that is earlier than current date
purge_snapshots=false purge_snapshots=false
#handles options processing #handles options processing
while getopts :s:c:r:v:t:k:pnu opt while getopts :s:c:r:v:t:k:pnhu opt
do do
case $opt in case $opt in
s) selection_method="$OPTARG";; s) selection_method="$OPTARG";;
@ -171,6 +178,7 @@ while getopts :s:c:r:v:t:k:pnu opt
t) tag="$OPTARG";; t) tag="$OPTARG";;
k) purge_after_days="$OPTARG";; k) purge_after_days="$OPTARG";;
n) name_tag_create=true;; n) name_tag_create=true;;
h) hostname_tag_create=true;;
p) purge_snapshots=true;; p) purge_snapshots=true;;
u) user_tags=true;; u) user_tags=true;;
*) echo "Error with Options Input. Cause of failure is most likely that an unsupported parameter was passed or a parameter was passed without a corresponding option." 1>&2 ; exit 64;; *) echo "Error with Options Input. Cause of failure is most likely that an unsupported parameter was passed or a parameter was passed without a corresponding option." 1>&2 ; exit 64;;